Finding the Fourth Proportional to 20,287,060.90, 27,999,014.97 and 12,554,594.26
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Solution
The fourth proportional to 20,287,060.90, 27,999,014.97 and 12,554,594.26 is: 17,327,116.75
Step by Step Solution
- Step 1: Write the proportion equation
20,287,060.90 : 27,999,014.97 = 12,554,594.26 : x - Step 2: Convert to fraction form
20,287,060.90/27,999,014.97 = 12,554,594.26/x - Step 3: Cross multiply
20,287,060.90x = 27,999,014.97 × 12,554,594.26 - Step 4: Simplify right side
20,287,060.90x = 351,516,272,628,016.06 - Step 5: Solve for x
x = 351,516,272,628,016.06/20,287,060.90 - Step 6: Final answer
x = 17,327,116.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.